Home / 203,178,742.56-280,388,936.88-119,565,358.56

Finding the Fourth Proportional to 203,178,742.56, 280,388,936.88 and 119,565,358.56

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Solution

The fourth proportional to 203,178,742.56, 280,388,936.88 and 119,565,358.56 is: 165,001,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,178,742.56 : 280,388,936.88 = 119,565,358.56 : x
  2. Step 2: Convert to fraction form
    203,178,742.56/280,388,936.88 = 119,565,358.56/x
  3. Step 3: Cross multiply
    203,178,742.56x = 280,388,936.88 × 119,565,358.56
  4. Step 4: Simplify right side
    203,178,742.56x = 33,524,803,774,314,408
  5. Step 5: Solve for x
    x = 33,524,803,774,314,408/203,178,742.56
  6. Step 6: Final answer
    x = 165,001,531.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.